JS - QuickJS sandbox initialization must be the last evaluated string (#12914)
JS - QuickJS sandbox initialization must be the last evaluated string (#12914)

- aims to fix issue #12912
macroplant/pdf.js,Shoobx/pdf.js,mozilla/pdf.js,showpad/mozilla-pdf.js,mozilla/pdf.js,timvandermeij/pdf.js,nawawi/pdf.js,mozilla/pdf.js,timvandermeij/pdf.js,timvandermeij/pdf.js,caremerge/pdf.js,showpad/mozilla-pdf.js,nawawi/pdf.js,Shoobx/pdf.js,Snuffleupagus/pdf.js,xavier114fch/pdf.js,xavier114fch/pdf.js,caremerge/pdf.js,Snuffleupagus/pdf.js,nawawi/pdf.js,macroplant/pdf.js,Shoobx/pdf.js,Snuffleupagus/pdf.js,macroplant/pdf.js,showpad/mozilla-pdf.js